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[binutils.git] / gas / config / tc-i860.h
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1 /* tc-i860.h -- Header file for the i860.
2 Copyright 1991, 1992, 1995, 1998, 2000, 2001, 2002
3 Free Software Foundation, Inc.
5 Brought back from the dead and completely reworked
6 by Jason Eckhardt <jle@cygnus.com>.
8 This file is part of GAS, the GNU Assembler.
10 GAS is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
13 any later version.
15 GAS is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License along
21 with GAS; see the file COPYING. If not, write to the Free Software
22 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 #ifndef TC_I860
25 #define TC_I860 1
27 #ifndef BFD_ASSEMBLER
28 #error i860 support requires BFD_ASSEMBLER
29 #endif
31 enum i860_fix_info
33 OP_NONE = 0x00000,
34 OP_IMM_U5 = 0x00001,
35 OP_IMM_S16 = 0x00002,
36 OP_IMM_U16 = 0x00004,
37 OP_IMM_SPLIT16 = 0x00008,
38 OP_IMM_BR26 = 0x00010,
39 OP_IMM_BR16 = 0x00020,
40 OP_ENCODE1 = 0x00040,
41 OP_ENCODE2 = 0x00080,
42 OP_ENCODE3 = 0x00100,
43 OP_SEL_HA = 0x00200,
44 OP_SEL_H = 0x00400,
45 OP_SEL_L = 0x00800,
46 OP_SEL_GOT = 0x01000,
47 OP_SEL_GOTOFF = 0x02000,
48 OP_SEL_PLT = 0x04000,
49 OP_ALIGN2 = 0x08000,
50 OP_ALIGN4 = 0x10000,
51 OP_ALIGN8 = 0x20000,
52 OP_ALIGN16 = 0x40000
55 /* Set the endianness we are using. Default to little endian. */
56 #ifndef TARGET_BYTES_BIG_ENDIAN
57 #define TARGET_BYTES_BIG_ENDIAN 0
58 #endif
60 /* Whether or not the target is big endian. */
61 extern int target_big_endian;
63 /* BFD target architecture. */
64 #define TARGET_ARCH bfd_arch_i860
66 /* The target BFD format. */
67 #ifdef OBJ_ELF
68 #define TARGET_FORMAT (target_big_endian ? "elf32-i860" : "elf32-i860-little")
69 #else
70 #error i860 GAS currently supports only the ELF object format
71 #endif
73 #define WORKING_DOT_WORD
74 #define DIFF_EXPR_OK
76 /* Permit temporary numeric labels. */
77 #define LOCAL_LABELS_FB 1
78 #define LISTING_HEADER "GAS for i860"
80 #define md_convert_frag(b,s,f) as_fatal (_("i860_convert_frag\n"));
82 /* Values passed to md_apply_fix3 don't include the symbol value. */
83 #define MD_APPLY_SYM_VALUE(FIX) 0
85 /* No shared lib support, so we don't need to ensure externally
86 visible symbols can be overridden. */
87 #define EXTERN_FORCE_RELOC 0
89 /* Bits for post-processing of a user defined label to check if
90 it has a double colon (Intel syntax only). */
91 extern void i860_check_label (symbolS *labelsym);
92 #define tc_check_label(ls) i860_check_label (ls)
94 /* Bits for filling in rs_align_code fragments with NOPs. */
95 extern void i860_handle_align (struct frag *);
96 #define HANDLE_ALIGN(fragp) i860_handle_align (fragp)
98 #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4)
100 #endif /* TC_I860 */